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    Subject[PATCH 4.14 094/167] drm/ast: Load lut in crtc_commit
    Date
    4.14-stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Daniel Vetter <daniel.vetter@ffwll.ch>

    commit 24b8ef699e8221d2b7f813adaab13eec053e1507 upstream.

    In the past the ast driver relied upon the fbdev emulation helpers to
    call ->load_lut at boot-up. But since

    commit b8e2b0199cc377617dc238f5106352c06dcd3fa2
    Author: Peter Rosin <peda@axentia.se>
    Date: Tue Jul 4 12:36:57 2017 +0200

    drm/fb-helper: factor out pseudo-palette

    that's cleaned up and drivers are expected to boot into a consistent
    lut state. This patch fixes that.

    Fixes: b8e2b0199cc3 ("drm/fb-helper: factor out pseudo-palette")
    Cc: Peter Rosin <peda@axenita.se>
    Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
    Cc: <stable@vger.kernel.org> # v4.14+
    Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=198123
    Cc: Bill Fraser <bill.fraser@gmail.com>
    Reported-and-Tested-by: Bill Fraser <bill.fraser@gmail.com>
    Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
    Signed-off-by: Dave Airlie <airlied@redhat.com>
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/gpu/drm/ast/ast_mode.c | 1 +
    1 file changed, 1 insertion(+)

    --- a/drivers/gpu/drm/ast/ast_mode.c
    +++ b/drivers/gpu/drm/ast/ast_mode.c
    @@ -644,6 +644,7 @@ static void ast_crtc_commit(struct drm_c
    {
    struct ast_private *ast = crtc->dev->dev_private;
    ast_set_index_reg_mask(ast, AST_IO_SEQ_PORT, 0x1, 0xdf, 0);
    + ast_crtc_load_lut(crtc);
    }



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